528 PROCEEDINGS OF THE ACADEMY OF [Oct., 



ZONITOIDES ARBOREA Say. 



Omphalina cuprea Raf. 

 Striatura milium meridionalis Pils. 

 Euconulus chersinus trochulus Reinh. 

 Helicodiscus parallelus Say. 



Near Purdue Wood Camp, Ouachita River, Calhoun Co., Ark.: 

 Polygyra thyroidus Say. Imperforate. 



POLYGYRA INFLECTA Say. 



Polygyra leporina Gld. 



VlTREA INDENTATA UMBILICATA Ckll. 

 ZONITOIDES ARBOREA Say. 

 ZONITOIDES MINUSCULA Bilin. 



Euconulus chersinus trochulus Reinh. 



Keller Place Landing, Ouachita River, Calhoun Co., Ark.: 



Polygyra thyroidus Say. Imperforate. 

 Polygyra leporina Gld. 



BlFIDARIA CONTRACTA Say. 



Vertigo oscariana St. 

 Strobilops texasiana Pils. 



VlTREA INDENTATA UMBILICATA Ckll. 



Striatura milium meridionalis Pils. 



ZONITOIDES ARBOREA Say. 



Omphalina cuprea Raf. 



Euconulus chersinus trochulus Reinh. 



Carychium exile Lea. 



Carlock Place, Bayou Bartholomew, Ashley Co., Ark.: 



Polygyra thyroidus Say. Imperforate. 

 Polygyra inflecta Say. 

 Polygyra leporina Gld. 



BlFIDARIA CONTRACTA CLIMEANA Van. 



Strobilops labyrinthica Say. 



VlTREA INDENTATA Say. 

 VlTREA HAMMONIS Strom. 

 ZONITOIDES ARBOREA Say. 



Zonitoides minuscula Binn. 



Tebbs Place, Bayou Bartholomew, Ashley Co., Ark. : 

 Polygyra inflecta Say. 



